import java.util.Arrays;
 
public class Demo6702 {

  public static void main(String[] args) {
    //使用自然排序
    Course[] courses=getCourses();
    Arrays.sort(courses);
    for (Course c : courses) {
      System.out.println(c);
    }
  }
  private static Course[] getCourses() {
    //使用数组保存一组对象
    Course[] courses=new Course[10];
    courses[0]=new Course("A001", "C程序设计基础", "1上", 4, 80);
    courses[1]=new Course("B002", "Pthon程序基础", "1下", 2, 85);
    courses[2]=new Course("A002", "面向对象程序设计", "2上", 3, 78);
    courses[3]=new Course("C001", "Java程序高级开发", "3上", 2, 83);
    courses[4]=new Course("C002", "软件工程与UML", "3下", 3, 75);
    courses[5]=new Course("B001", "操作系统", "2下", 3, 90);
    courses[6]=new Course("A003", "数据库原理", "2上", 3, 78);
    courses[7]=new Course("B003", "网络基础", "3上", 3, 75);
    courses[8]=new Course("0001", "大学英语", "1上", 3, 80);
    courses[9]=new Course("0002", "高等数学", "1下", 2, 85);
    return courses;
  }
}
